Lennox MHA018S4S-1P - Page 17

17
COMPRESSOR
Y/G
4-WAY
DC-FAN
CN 7
3
PAN
HEATER
CN 15
CN 60
CRANKCASE
HEATER
CN 17
BLUE
BROWN
YELLOW OR BLACK
3
2
L
N
RED
BLUE
Y/G
1
Y/G
AMBI ENT TEMP. SENSOR
DISCHARGE TEMP. SENSOR
CN 21
.
Y/G
Y/G
Y/G
CN4_1
CN4_2
CN4_3
CN4_4
REACTOR
CAPACI TOR
BROWN
BROWN
BLACK
BLACK
2
2
BLACK
W
V
RED
BLUE
U
CN 1A
CN 3
CN 1
CN 2
CN 16
CN 50
CN 30
CN 29
CN 28
OUTDOOR CONTROL
TP/
T5
T3
T4
Figure 37. 12K - 115VAC Outdoor Unit Wiring Diagram
4-WAY VALVE
OU TDOOR
FA N
CN 7
3
6
CN 31
PAN
HEATER
CN 15
CN 60
CRANKCASE
HEATER
CN 17
BLUE
BROWN
BLACK
3
2
L2
RED
BLUE
Y/G
1
Y/G
CN 21
Y/G
CN 1A
Y/G
Y/G
COMPRESSOR
Y/G
CN 50
3
U
V
W
BLUE
RED
BLACK
EXV
OUTDOOR TEMP. SENSOR
COMPRESSOR
DISCHARGE
TEMP. SENSOR
OUTDOOR COIL TEMP. SENSOR
RED
BLACK
WHTIE
OUTDOOR CONTROL
T5
T3
T4
Figure 38. 09K, 12K and 18K - 208/230VAC) Outdoor Unit Wiring Diagram